Researchers are still trying to isolate the gene that causes this abnormality.

研究人员仍然在试图分离导致这种畸形的基因。

《牛津词典》

Further scans are required to confirm the diagnosis of an abnormality.

需要做进一步的扫描来确诊异常情况。

《柯林斯英汉双解大词典》

Caitlin was born with a life-threatening heart abnormality.

凯特琳先天患有危及生命的心脏病。

《柯林斯英汉双解大词典》

The tests - for alpha-fetoprotein levels - cannot predict if the baby will have an abnormality.

BBC: NEWS | Health | Serious complications of pregnancy

It still isn't clear what the "abnormality" was -- but more than a few people had their own suspicions.

CNN: Jokesters, advertisers pounce on Super Bowl power outage

Sometimes parents choose to terminate a pregnancy when the fetus has a severe abnormality -- but they should make sure they have the right diagnosis before they do it.

CNN: Five diagnoses that call for a second opinion